Home / 680,419.14-1,020,858.12-301,288.14

Finding the Fourth Proportional to 680,419.14, 1,020,858.12 and 301,288.14

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Solution

The fourth proportional to 680,419.14, 1,020,858.12 and 301,288.14 is: 452,033.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,419.14 : 1,020,858.12 = 301,288.14 : x
  2. Step 2: Convert to fraction form
    680,419.14/1,020,858.12 = 301,288.14/x
  3. Step 3: Cross multiply
    680,419.14x = 1,020,858.12 × 301,288.14
  4. Step 4: Simplify right side
    680,419.14x = 307,572,444,178.70
  5. Step 5: Solve for x
    x = 307,572,444,178.70/680,419.14
  6. Step 6: Final answer
    x = 452,033.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.